#4-40 Socket Head Cap Screws

Grade 18-8 / A2 Stainless Steel – Precision & Corrosion-Resistant Screws

Our #4-40 Socket Head Cap Screws are meticulously crafted from premium Grade 18-8 (A2) stainless steel, ensuring exceptional strength and superior resistance to rust and corrosion. These screws are designed for precision applications, making them ideal for both professional and DIY projects that demand reliability and durability.

The deep socket head design allows for high torque installation, ensuring a secure and stable fit. The Grade 18-8 / A2 stainless steel composition provides excellent durability and long-lasting performance in various environments, including indoor and light outdoor settings.

Note: PT = Partial Thread

Key Features

• Precision Engineering: Fine threading (40 TPI) ensures a secure fit and precise alignment in tapped holes or with nuts, ideal for intricate assemblies.
• Corrosion-Resistant: Grade 18-8 / A2 stainless steel offers superior resistance to rust and corrosion, suitable for both indoor and light outdoor applications.
• Deep Socket Head: Facilitates high torque installation, providing a flush and professional finish.
• Easy Installation: 3/32" hex socket drive enables secure tightening using standard hex keys or bits.
• Wide Range of Lengths: Available in various lengths to accommodate different project requirements.
• High-Quality Assurance: Monster Bolts guarantees top-tier fasteners that meet or exceed industry standards for performance and reliability.

Specifications

• Diameter: #4
• Thread Size: 40 TPI – Coarse (Standard) Thread
• Length: Available in various lengths (please select from options above)
• Drive Type: 3/32" Hex Socket
• Head Type: Socket Head Cap Screw
• Material: Stainless Steel Grade 18-8 / A2
• System of Measurement: Inch (Imperial / U.S.)
• Standards Met: ANSI/ASME B18.3, ASTM A574

Usage Information

These high-strength stainless steel socket head cap screws are perfect for applications requiring precise fastening with a professional and flush finish. The 3/32" hex socket drive allows for high torque installation, ensuring a secure and stable fit. The #4-40 size, is commonly used in machinery, equipment assembly, automotive applications, electronics, and various DIY projects where strength and precision are essential.

Ideal Applications

• Machinery and Equipment Assembly: Provides secure fastening and load distribution in industrial machinery.
• Automotive and Motorcycle Applications: Ideal for securing components in vehicles, offering durability and resistance to vibration.
• Electronics and Precision Instruments: Ensures reliable fastening in delicate assemblies and electronic devices.
• Metal and Wood Fabrication: Perfect for securing components in fabrication projects, offering strength and precision.
• DIY Projects and Repairs: Suitable for home repairs, furniture assembly, and various do-it-yourself tasks that require reliable fastening.
• Robotics and Automation Equipment: Ensures precise and reliable fastening in automated systems and robotics.

Matching Products

• Nuts: Find matching #4-40 nuts here.
• Washers: Find matching washers here.
• Hex Keys: Find 3/32" hex keys and bits here.

Order Yours Today

Upgrade your fastening solutions with our high-strength #4-40 Socket Head Cap Screws. Perfect for achieving a professional look and secure fastening in a wide range of applications. Order today and experience Monster Bolts’ fast shipping and superior customer service!

✔️ Trusted by professionals and hobbyists alike

✔️ High-strength stainless steel with excellent corrosion resistance

✔️ Available in various lengths to suit your needs